Colemanite - Bigadiç - Balikesir Prov. - Marmara Region - Turkey
(#GM25038)
The surface of this specimen is covered with whitish, translucent crystals of colemanite, an uncommon borate.
Traces of this mineral are also in the underlying part of the specimen.
Specimen weight:700 gr.
Crystal size:mm. 27
 Overall size:100mm x 88 mm x 57 mm
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Ericaite - Panel 14, Boulby Mine, Loftus, Redcar and Cleveland, North Yorkshire, England, UK
(#MINS9100)
A single lustrous brownish cubic crystal of Ericaite embedded in syslte matrix coloured rerracotta red by association with Hilgardite.
Specimen weight:5 gr.
Crystal size:Up to 5 mm
Overall size:14mm x 12 mm x 14 mm
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Canavesite - Salvere level - Brosso mine - Cálea - Léssolo - Canavese distr. - Torino prov. - Piedmont - Italy
(#GM24045)
The surface of this specimen is almost completely covered by rosettes of snow-white needles of canavesite.
It's an extremely rare borate ...
Specimen weight:295 gr.
Crystal size:mm. 3
Overall size:66mm x 55 mm x 44 mm
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Colemanite - Bigadic, Marmara Region, Turkey
(#FERR1455)
Fine cluster of snow white colemanite in excellent conditions from a turkish mine that produced many world class samples for this not so common borate in the past.
Former S. Maggia collection, with label.
Specimen weight:372 gr.
Crystal size:1.2 cm
Overall size:120mm x 70 mm x 55 mm
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Olshanskyite - Shijiangshan mine - Linxi - Linxi Co. - Ulanhad League - Inner Mongolia Autonomous Region - China
(#GM17106)
The olshanskyite is the unique new from Munich Mineralshow of this year.
It's a rare borate and this is a miniature that is futuring long and perfected crystals ...
Specimen weight:57 gr.
Crystal size:15 mm.
Overall size:47mm x 25 mm x 30 mm
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Colemanite - Bigadic, Marmara Region, Turkey
(#FERR1152)
Fine cluster of snow white colemanite in excellent conditions from a turkish mine that produced many world class samples for this not so common borate in the past.
Showy.
Specimen weight:281 gr.
Crystal size:2 cm
Overall size:80mm x 63 mm x 50 mm
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Owner : GMineral (Voghera - Italy) 